Lease Agreement Requirements in North Rhine-Westphalia: Guide for Landlords

The residential lease agreement is the central legal document between landlord and tenant. In Germany, lease clauses are subject to strict legal requirements. Numerous clauses that were once standard have since been declared invalid by the Federal Court of Justice (BGH). Landlords in NRW should regularly review their lease templates.

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Lease Formalities

Oral leases are generally valid but create problems in disputes. Fixed-term leases longer than 1 year must be in writing; otherwise they are treated as indefinite-term agreements.

Fixed-Term Leases (Zeitmietvertrag) Fixed-term residential leases are only permitted in specific cases (§ 575 BGB):

1. Owner-use — landlord intends to move in after expiry
2. Demolition or renovation — planned after the lease period
3. Employee housing — apartment is to be provided to an employee

The reason for the fixed term must be stated in the contract. If omitted, the lease is treated as an indefinite-term agreement.

Mandatory Lease Content A complete residential lease agreement should include:

• Names and addresses of all contract parties
• Exact description of the rental property (address, location, floor)
• Lease start date and end date (if applicable)
• Amount of base rent and operating cost prepayment
• Type of operating costs (reference to Operating Cost Ordinance)
• Security deposit provisions
• House rules (as an appendix)

Valid and Invalid Clauses

Cosmetic Repairs (Schönheitsreparaturen) The cosmetic repair clause is one of the most common sources of error in German leases

Recent landmark rulings by the Federal Court of Justice (BGH) have significantly limited landlords' ability to transfer the cost and responsibility for cosmetic repairs to tenants. Many previously common clauses are now considered invalid.

The BGH has declared the following clause types invalid:

If a cosmetic repair clause is found to be invalid, the landlord bears the entire renovation obligation. Tenants are generally not obliged to renovate if the apartment was unrenovated at move-in or if the clause is otherwise invalid.

Other Commonly Invalid Clauses

• Minor repair cost clauses exceeding €100 per individual repair (threshold too high)
• Absolute pet prohibition (BGH: case-by-case assessment required)
• Hidden rent surcharges disguised as furniture buyout fees

Valid Clauses

• Minor repair clause — tenant bears costs for small repairs up to approx. €75–100 per case and max. 8% of annual rent (must be clearly formulated and not contradict BGH rulings)
• Pet restrictions for specific species (e.g., dogs in small apartments) may be validly agreed, but an absolute prohibition is generally not.
• Subletting prohibition is generally permissible (landlord may grant permission)

Graduated and Index Rent Leases

• Graduated rent (§ 557a BGB): Rent increases at specified dates by specified amounts (not percentages). During the graduation period, other increases are excluded.
• Index rent (§ 557b BGB): Rent is linked to the Consumer Price Index; increases permitted only after 12 months.

Both offer predictable rent adjustments without requiring additional justification.

Best Practices for Landlords

• Use an up-to-date template from a landlord association (Haus & Grund) or attorney
• Have all cosmetic repair clauses reviewed for current BGH compliance, especially regarding initial condition of the apartment
• Always state the fixed-term reason explicitly in the contract
• Create a handover protocol signed by both parties, noting the condition of the apartment at move-in
• Periodically review clauses for longer tenancies against new BGH rulings

Landager provides landlords with templates for legally compliant lease agreements and updates on current BGH case law.

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